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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>信息管理系统</title>
    <link rel="stylesheet" href="../css/mainPage.css">
</head>

<body>
    <div class="main">
        <div class="left">
            <h2>信息管理系统</h2>
            <!-- 设置超链接的target属性值为iframe的名称，超链接就会在iframe里面打开 -->
            <a href="" target="content"></a>
            <a href="../html/allGrade.html" target="content">全部年级信息</a>
            <a href="../html/searchGrade.html" target="content">查询指定年级信息</a>
            <a href="../html/allStudent.html" target="content">全部学生信息</a>
            <a href="../html/searchStudent.html" target="content">查询学生</a>
            <a href="../html/addStudent.html" target="content">添加学生</a>
            <a href="../html/allSubject.html" target="content">全部课程信息</a>
            <a href="../html/searchSubject.html" target="content">查询课程</a>
            <a href="../html/addSubject.html" target="content">添加课程</a>
            <!-- <a href="../html/modifySubject.html" target="content">修改课程</a> -->
        </div>
        <div class="right">
            <div class="top">
                <h2>欢迎使用信息管理系统</h2>
                <button class="exit">退出系统</button>
            </div>
            <iframe name="content" src="../html/welcome.html" style="width: 100%;height: 100%;" frameborder="0"></iframe>
        </div>
    </div>
    <script src="../js/mainPage.js"></script>
</body>

</html>